51002620364 has 6 divisors (see below), whose sum is σ = 89254585644. Its totient is φ = 25501310180.

The previous prime is 51002620351. The next prime is 51002620381. The reversal of 51002620364 is 46302620015.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6375327542 + ... + 6375327549.

It is an arithmetic number, because the mean of its divisors is an integer number (14875764274).

Almost surely, 2^51002620364 is an apocalyptic number.

It is an amenable number.

51002620364 is a deficient number, since it is larger than the sum of its proper divisors (38251965280).

51002620364 is a wasteful number, since it uses less digits than its factorization.

51002620364 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12750655095 (or 12750655093 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 29.

The spelling of 51002620364 in words is "fifty-one billion, two million, six hundred twenty thousand, three hundred sixty-four".